Income Taxes - Components (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 3,204	$ 4,522	$ 4,124	$ 7,123
Effective tax rates	19.50%	16.20%	15.80%	14.60%